Sleep: 2026-09-06 — HRV 74 below range after sacred night broke (01:11), long-run goal reset

2026-09-06 08:55:08 +00:00
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+---
+date: 2026-09-06
+type: sleep
+tags: [sleep, late-bedtime, hrv-below-range, long-run-morning]
+---
+
+# Sleep — 2026-09-06
+
+**9h 7min** · 01:11→10:21 · REM: 20% · Deep: 31% · HRV: 74 · Resting HR: 58 · Woke: 1× · Score: 86/100
+
+> *(No subjective night note yet — the sleep screenshot came with the morning message. Context known: the sacred Saturday night landed at 01:11, ~2h past the ~23:00 target.)*
+
+**Interpretation:** The sacred night broke, and the pre-registered prediction from [[Sleep/2026-09-05]] ("cleaner read if bedtime lands ~23:00") failed in the direction the rule warned about. Bedtime **01:11** pushed the rise to 10:21 — and the honest markers are the worst of the week: **HRV 74ms is BELOW his personal range (77–136ms on-screen)** and resting HR 58 sits at the top of range (48–58). The Sep 4 counterexample matters here: a sober 02:11 onset still yielded 111ms — so lateness alone does NOT produce 74. This is the expensive-night signature (his alcohol band is ~71–94). If last night wasn't drinking, something else cost the autonomic bill — user's report will fill the gap; the data stands on its own.
+
+The architecture itself was rescued by duration: 9h07 (Normal), deep 31% (2h 48min — healthy), REM 20%, light 49%, deep continuity 88, breathing 98, SpO2 98. Score 86 / "Better than 96%" — the watch grades the hours, but the HRV/resting-HR pair tells the recovery story, and it is not the story the watch wrote.
+
+**Trajectory:** 145 (Sep 2) → 111 (Sep 4) → 98 (Sep 5) → **74 (Sep 6)** — the week's autonomic bill is compounding instead of clearing. Today's long run starts in a hole: the "floaty deep-sleep dividend" forecast is void; expect heavier perceived effort at the same pace (Sep 4 signature). Goal reset: a controlled island 5.3 km = a complete win; extension only if the run genuinely votes yes; 9 km is off the table entirely. This is the sacred-night rule demonstrating itself — the Saturday night IS Sunday's fuel, and 01:11 spent it.
+
+## Details
+
+| Metric | Value | Reference |
+|--------|-------|-----------|
+| Night sleep | **9h 7min** | 6-10h (Normal) |
+| Bed → Rise | 01:11 → 10:21 | — |
+| Deep sleep | 31% (2h 48min) | 20-60% (Normal) |
+| Light sleep | 49% (4h 26min) | <55% (Normal) |
+| REM sleep | 20% (1h 53min) | 10-30% (Normal) |
+| Deep sleep continuity | 88 points | 70-100 (Normal) |
+| Times woke | 1 time | 0-1 (Normal) |
+| Breathing quality | 98 points | 70-100 (Normal) |
+| HRV | **74ms** | 77-136ms (**Below range**) |
+| Resting HR | **58 bpm** | 48-58 bpm (Within range, top) |
+| SpO2 | 98% | 97-99% (Within range) |
+| Respiratory rate | 15 brpm | 12-16 brpm (Within range) |
+| Score | 86 / 100 | Better than 96% |
+
+### HRV progression
+
+| Date | HRV | Context |
+|------|-----|---------|
+| Aug 29 | 106ms | Sick week, late bedtime (02:14) |
+| Sep 2 | **145ms** 🚀 | Sober, bed before midnight (23:50) — all-time high |
+| Sep 4 | 111ms | Sober, sleep onset 02:11, 5h45 |
+| Sep 5 | 98ms | Sober, 23:15 bed, 10h17 debt-repayment sleep, deep 39% |
+| **Sep 6** | **74ms** | Bed 01:11 (sacred night broken), 9h07 — below personal range |
+
+## Connected
+
+- [[Sleep/2026-09-05]] (the debt-repayment night whose dividend didn't arrive)
+- Runs/2026-09-06 (Sunday island long run — starts in a hole, goal reset to controlled 5.3)